You'll want to use two separate filters here. First using In Future After 120 days, and second, In Future 121 Days. That will capture whomever has a dates 120 days from now.
For this specific case you should just use the $TriggerObject. When you set the campaign up with Opportunity Is Updated as the Trigger, then the updated opportunity will be provide...
If you create your "new Comments" field on the lead, then you can just pass the content as a token into the description in your Create Task flow step, {{lead.New Comments}}. This w...
You're probably better off just using the forms API to add your values as hidden fields on submission instead of working with duplicate forms: Forms 2.0 » Marketo Developers You c...
Marketo won't perform any matching when pushing a lead to SFDC, just on the SFDC ID if it already has one. Do you have any deduplication rules, or dupecatcher enabled in SFDC? That...